<template>
  <div class="RatingSelect">
    <div class="rating_type">
      <span class="block positive"  :class="{'active':selectType===2}" @click="select(2,$event)">{{desc.all}}
        <span class="count">{{ratings.length}}</span>
      </span>
      <span class="block positive"  :class="{'active':selectType===0}" @click="select(0,$event)">{{desc.positive}}
        <span class="count">{{positives.length}}</span>
      </span>
      <span class="block negative"  :class="{'active':selectType===1}" @click="select(1,$event)">{{desc.negative}}
        <span class="count">{{negatives.length}}</span>
      </span>
    </div>
     <!-- :class="{'on':onlyContent}" @click="toggleContent" -->
    <div class="switch" @click="toggleContent" :class="{'on':onlyContent}">
      <!-- <img src="../../../resource/img/unchoose.png" class="icon-check_circle" width="20" height="20" v-show="onlyContent==false"> -->
      <!-- <img src="../../../resource/img/choose.png" class="icon-check_circle" width="20" height="20" v-show="onlyContent==true"> -->
      <span class="icon-check_circle"></span>
      <span class="text">只看有内容的评价</span>
    </div>
  </div>
</template>

<script>
const POSITIVE = 0;
const NEGATIVE = 1;
const ALL = 2;
export default {
  data() {
    // 自身定义的数据
    return {
      selectType: {
        // 选择type
        type: Number,
        default: ALL
      },
      onlyContent: false
    };
  },
  props: {
    // 由父级传入的数据
    ratings: {
      type: Array,
      default() {
        return [];
      }
    },

    desc: {
      type: Object,
      default() {
        return {
          all: "全部",
          positive: "满意",
          negative: "不满意"
        };
      }
    }
  },
  computed: {
    positives() {
      return this.ratings.filter(item => {
        return item.rateType === POSITIVE;
      });
    },
    negatives() {
      return this.ratings.filter(item => {
        return item.rateType === NEGATIVE;
      });
    }
  },
  methods: {
    select(type, event) {
      if (!event._constructed) {
        return;
      }
      this.selectType = type;
      this.$emit("filterRatings", type);
    },
    toggleContent(event) {
      if (!event._constructed) {
        return;
      }
      this.onlyContent = !this.onlyContent;
      // 自定义事件，并想父级传输数据
      this.$emit("isContent", this.onlyContent);
    }
  }
};
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
.RatingSelect .rating_type {
  padding: 18px 0;
  margin: 0 18px;
  font-size: 0;
  border-bottom: 1px solid rgba(7, 17, 27, 0.1);
}
.block {
  display: inline-block;
  padding: 8px 12px;
  margin-right: 8px;
  border-radius: 1px;
  color: rgb(77, 85, 93);
  font-size: 12px;
  line-height: 24px;
}

.count {
  margin-left: 2px;
  font-size: 8px;
  line-height: 16px;
}
.positive {
  background: rgba(0, 160, 220, 0.2);
}
.rating_type .active {
  background: rgb(0, 160, 220);
  color: #fff;
}
.negative {
  background: rgba(77, 85, 93, 0.2);
}
/* .negative .active{
  background: rgba(77, 85, 93);
} */

.switch {
  margin: 0 18px;
  padding: 12px 0;
  line-height: 24px;
  color: rgb(147, 153, 159);
  border-bottom: 1px solid rgba(7, 17, 27, 0.1);
}
.on .icon-check_circle {
  color: #00c850;
}
.icon-check_circle {
  margin-right: 4px;
  font-size: 24px;
}
/* .icon-check_circle {
 display: inline-block;
 vertical-align: middle;
} */
.text {
  font-size: 12px;
  vertical-align: top;
}
.no_rating {
  padding: 16px 0;
  font-size: 12px;
  line-height: 24px;
  color: rgb(147, 153, 159);
}
</style>
